Recombinant Mouse Siglec-F Fc Chimera Protein, CF Summary
Product Specifications
| Mouse Siglec-F (Asp18-Thr437) Accession # Q920G3 |
DIEGRMD | Human IgG1 (Pro100-Lys330) |
| N-terminus | C-terminus | |
Analysis
Product Datasheets
Carrier Free
CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
1706-SF
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS. |
| Reconstitution | Reconstitute at 100 μg/mL in sterile PBS. |
| Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. |
| Stability & Storage: | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Reconstitution Calculator
Background: Siglec-F
Siglecs (1) (sialic acid binding Ig-like lectins) are I-type (Ig-type) lectins (2) belonging to the Ig superfamily. They are characterized by an N-terminal Ig-like V-type domain which mediates sialic acid binding (3), followed by varying numbers of Ig-like C2-type domains (1, 4). Eleven human Siglecs have been cloned and characterized (1, 4). They are sialoadhesin/CD169/Siglec-1, CD22/Siglec-2, CD33/Siglec-3, Myelin-Associated Glycoprotein (MAG/Siglec-4a) and Siglec 5 to 11 (4-6). To date, no Siglec has been shown to recognized any cell surface ligand other than sialic acids, suggesting that interactions with glycans containing this carbohydrate are important in mediating the biological functions of Siglecs. Siglec 5 to 11 share a high degree of sequence similarity with CD33/Siglec-3 both in their extracellular and intracellular regions. They are collectively referred to as CD33-related Siglecs. One remarkable feature of the CD33-related Siglecs is their differential expression pattern within the hematopoietic system (4, 5). This fact, together with the presence of two conserved immunoreceptor tyrosine-based inhibition motifs (ITIMs) in their cytoplasmic tails, suggests that CD33-related Siglecs are involved in the regulation of cellular activation within the immune system.
Mouse Siglec-F cDNA encodes a 569 amino acid polypeptide with a hydrophobic signal peptide, an N-terminal Ig-like V-type domain, three Ig-like C2-type domains, a transmembrane region and a cytoplasmic tail (7). The expression of Siglec-F is restricted to the cells of myelomonocytic lineage. Mouse Siglec-F is likely an ortholog of human Siglec-5. Unlike many human CD33-related Siglecs, which show similar binding to both alpha 2,3- and alpha 2,6-linked sialic acids, mouse Siglec-F preferentially recognize alpha 2,3-linked sialic acid.
- Crocker, P.R. et al. (1998) Glycobiology 8:v.
- Powell, L.D. et al. (1995) J. Biol. Chem. 270:14243.
- May, A.R. et al. (1998) Mol. Cell 1998. 1:719.
- Crocker, P.R. and A. Varki (2001) Trends Immunol. 22:337.
- Crocker, P.R. et al. (2001) Immunology 103:137.
- Angata, T. et al. (2002) J. Biol Chem. 277:24466.
- Angata, T. et al. (2001) J. Biol Chem. 276:45128.
Citations for Recombinant Mouse Siglec-F Fc Chimera Protein, CF
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Citations: Showing 1 - 3
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CD22 blockade restores homeostatic microglial phagocytosis in ageing brains
Authors: JV Pluvinage, MS Haney, BAH Smith, J Sun, T Iram, L Bonanno, L Li, DP Lee, DW Morgens, AC Yang, SR Shuken, D Gate, M Scott, P Khatri, J Luo, CR Bertozzi, MC Bassik, T Wyss-Coray
Nature, 2019-04-03;0(0):.
Species: Mouse
Sample Types: Whole Cells
Applications: Flow Cytometry -
Broad and direct interaction between TLR and Siglec families of pattern recognition receptors and its regulation by Neu1.
Authors: Chen, Guo-Yun, Brown, Nicholas, Wu, Wei, Khedri, Zahra, Yu, Hai, Chen, Xi, van de Vlekkert, Diantha, D'Azzo, Alessand, Zheng, Pan, Liu, Yang
Elife, 2014-09-03;3(0):e04066.
Species: Mouse
Sample Types: Cell Lysates
Applications: Bioassay -
Mice deficient in the St3gal3 gene product alpha2,3 sialyltransferase (ST3Gal-III) exhibit enhanced allergic eosinophilic airway inflammation.
Authors: Kiwamoto T, Brummet M, Wu F, Motari M, Smith D, Schnaar R, Zhu Z, Bochner B
J Allergy Clin Immunol, 2013-07-02;133(1):240-7.e1-3.
Species: Mouse
Sample Types: Tissue Homogenates
Applications: Bioassay
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